Numerical Insights into Tensile Testing

Описание: This videos shows the modelling of tensile testing using an ASTM D638 specimen geometry. In particular, this video explores the ideal test setting and how this will impact the generated material behaviour. To contrast the ideal setup, we have also shown the cases for an offset loaded specimen as well as a badly designed specimen. The expectation is that these design test setup parameters will affect the sort of material behaviour you obtain from the test. The insights gained here should further reinforce the requirement for effective setup of tensile test setting so that the generated mechanical response will be the right ones with uniaxial loading of the test specimen.

You can also watch similar modelling of experiments videos in this channel about the numerical insights to compression testing. Here is the link to that video:    • Numerical insights of Compression Testing ...   .

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Time stamps
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0:00 - Introduction to video
1:47 - Dimensions of ASTM D638 Tensile Specimen
4.08 - Case Studies investigated
6:12 - ABAQUS: Design of Tensile Specimen
9:28 - ABAQUS: Creating Nodal set for Gauge Section
11:17- ABAQUS; Creating Material models
12:46- ABAQUS: Meshing of Specimen
14:44- ABAQUS: History Output for Extracting Stress-Strain data
15:34 - ABAQUS: Boundary conditions for ideal setup
16:50 - ABAQUS Results: Ideal tensile specimen setup
18:43 - ABAQUS: Boundary conditions for offset setup
19:43 - ABAQUS: Creating badly machined specimen
22:18 - ABAQUS: Boundary conditions for badly-machined specimen
22:58 - ABAQUS: Results: Offset tensile specimen setup
23:33 - ABAQUS: Results: Badly machined tensile specimen setup
25:00 - Comparison of results of three case studies
26:03 - Extracting Stress-strain data comparisons of all three cases


✔️*Link to Michael Okereke's Finite Element Applications textbook
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Okereke, M. and Keates, S., 2018. Finite element applications. Cham: Springer International Publishing AG. https://amzn.to/3Bv54Di

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